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CVE-2009-0021

🗓️ 07 Jan 2009 17:00:00Reported by redhatType 
cve
 cve
🔗 web.nvd.nist.gov👁 123 Views

NTP 4.2.4 before 4.2.4p5 and 4.2.5 before 4.2.5p150 does not properly check the return value from the OpenSSL EVP_VerifyFinal function, allowing remote attackers to bypass validation of the certificate chain via a malformed signature

Related
Detection
Refs
NVD
Node
ntpntpRange4.2.4p4
OR
ntpntpMatch4.2.0
OR
ntpntpMatch4.2.2
OR
ntpntpMatch4.2.4p1
OR
ntpntpMatch4.2.4p2
OR
ntpntpMatch4.2.4p3

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23 Apr 2026 00:35Current
7.6High risk
Vulners AI Score7.6
CVSS 25
EPSS0.02216
123